25679990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5167}}^1$

素因数の和:5252

約数の個数: 32

約数和(自身を含む): 53581824

約数和(自身を除く): 27901834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 5167, 10334, 25835, 36169, 51670, 72338, 180845, 361690, 366857, 733714, 1834285, 2567999, 3668570, 5135998, 12839995, 25679990]

約数ペア:

[(1, 25679990), (2, 12839995), (5, 5135998), (7, 3668570), (10, 2567999), (14, 1834285), (35, 733714), (70, 366857), (71, 361690), (142, 180845), (355, 72338), (497, 51670), (710, 36169), (994, 25835), (2485, 10334), (4970, 5167)]